architectures & interworking in itu-t sg13
DESCRIPTION
Architectures & Interworking in ITU-T SG13. 14 May 2001 Chae-Sub, LEE (Korea Telecom). Scope of WP 2/13 Questions in WP 2/13 Future Evolution Trend Role & Activities of WP 2/13 study Vision of WP 2/13. Contents. NGN. Multi-Protocol based network. 64 kbps based ISDN. ATM/B- ISDN. - PowerPoint PPT PresentationTRANSCRIPT
1
KoreaTelecom
Architectures & Interworking
in ITU-T SG13
14 May 2001
Chae-Sub, LEE
(Korea Telecom)
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KoreaTelecom
Contents
1. Scope of WP 2/13
2. Questions in WP 2/13
3. Future Evolution Trend
4. Role & Activities of WP 2/13 study
5. Vision of WP 2/13
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KoreaTelecom
1. Scope of WP 2/13
GII
64 kbps basedISDN
ATM/B-ISDN
IP basednetwork
Multi-Protocolbased network NGN
INTERWORKING
ARCHITECTURE
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KoreaTelecom
Scope and impacts of Architecture Work
Service requirementsand its Provision
Facility Network
•Identification of Resources•Assignment to Functional Group•Identification of Reference Points•Specifying required Capabilities
•Principles
•Business Model
•Logical Model / Framework
•Functional Model
•Implementational Model
•Specification of capabilities
•Scenarios
Architecture Work
ToPDown
BottomUp
LongTerm
ShortTerm
•PC based Multimedia•Mobile communication•Home/Personal video•Netizen
• Router/switch• Soft switch• wireless access, xDSL/WDM
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KoreaTelecom
Question Title
1/13 Principles, Requirements, Frameworks and Architectures for an Overall Heterogeneous Network Environment
5/13 Network Interworking including IP Multiservice Networks
10/13 Core Network Architecture and Interworking Principles
13/13 Interoperability of Satellite and Terrestrial Networks
14/13 Access Architecture Principles and Features at the Lower Layers for IP-Based and Other Systems
16/13 Telecommunication Architecture for an Evolving Environment
2. Questions in WP 2/13
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KoreaTelecom
Circuit based
Electronic based
Packet based transport
Optic based transmission
Integrated Telecommunication Infrastructure
Voice
Data
Datainc.
VoiceIntegrated Service
Clientto
Server
Endto
EndUser friendly control
Full Open and Competition Environments
Telecom. Business
Broadcasting BusinessTele-Broadcasting Business
2. Future Evolution TrendChange of Environment
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KoreaTelecom
30
1996 199919981997 20032000 2001 2002
Fixed telephone serviceCellular & PCS
Internet service users
40
20
50
10
Pen
etra
tio
n
(%)
Market Changes and its Push
Circuit based
Packet over
Circuit
Packet based
Circuit over
Packet
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KoreaTelecom
Expected Future Transition Trend
Past : Seper. of Voice & Data Transp.
Circuit Switch.Access Capa.
Circuit Switch.Transp. Capa.
Packet Switch.Transp. Capa.
Present : Sep. of V & D Access
xDSL / FTTx
Circuit Switch.Access Capa.
Circuit Switch.Transp. Capa.
Packet Switch.Transp. Capa.
Packet Switch.Access Capa.
Near Future : Integration of V & D Transport
VoIP / VToA
Circuit Switch.Access Capa.
Circuit Switch.Transp. Capa.
Packet Switch.Transp. Capa.
Packet Switch.Access Capa.
Future : Integration of V & D Access and Transp.
Packet Switch.Transp. Capa.
Packet Switch.Access Capa.
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KoreaTelecom
Server based Configuration
Net. A
Net. CNet. D
Net. B
Service /Application 1
Service /Application 2
Service /Application 3
Service /Application 4
Connectivity Network
NamingServer
PolicyServer
FeatureServer
Subscrib.Server
ResourceServer
Server (Middleware)Network
Service /Application 1
Service /Application 2
Service /Application 3
Service /Application 4
Service /Application
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KoreaTelecom
Extension of Core Network Functions
Switching
Transmission
Past
Switching
Transmission
Brokering
Today
Routing Switching
Transmission
TrafficPolicing
ResourceArranging
MediaAdaptation Brokering
Near Future
Routing
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KoreaTelecom
Switching
Routing
Backbone Transmission NetworkBackbone Transmission Network
Access Switching Access Switching NetworkNetwork
Access Access NetworkNetwork
Accessing- ISDN- ADSL- Cable Modem- FLC- FTTH
Addressing- IPv4, v6- E.164- NSAP
NetworkNetworkManagementManagement
Multiplexing- IP- ATM- F/R- SDH/PDH- WDM
Transmission- ATM- SDH- WDM
Switching & Routing- IP- MPLS- ATM
ManagementPlatform- CMIP- SNMP- JAVA- CORBA- DCOM
Backbone Switching NetworkBackbone Switching Network
Diversity of Access Technologies
Policing
Policing
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Computer/Consumer Technologies
Broad-castingInfra.
Telec.Infra.
IP Platform or Others
Structural Model of Convergence
Tele-gaming
TVMail
Interac.TV
WebTV/FM
TVInternet
E-Comm.
New Technologiesand their Products
Interworking between twoInfrastructures andtheir convergence
Networking Technologiesand their Adaptations
New Applications and theirService Interworking
RelationsEnterprise Model Regulation
UserOperator
ProgramProvider
RegulatorPossible Convergence Model of Tele-Broadcasting
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KoreaTelecom
4. Role and Activities of WP 2/13 Study
Interconnection
Architecture
Interworking
• Develop Framework Architecture for RPOI• Identify Reference Point of Interconnection• Specify Attributes and Requirements of RPOI
• Framework Architecture of GII and Principle• Develop Telecom. Archit. For Evolv. Environ.• Study of New Reference Model• Develop Framework of IP based Network• Develop Automatic Transport Net. Archit.• Develop Access Network Architecture• Specify Network Capabilities for IP and others
• Develop Framework for Interworking• Specify Interworking Functions btw. Different Networks and Services
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KoreaTelecomFramework for RPOIs (Refer Rec. Y.140)
T1317130-00
carry user plane and control plane information carry management plane information
Conceptual Reference Point for Interconnection (cRPI)
Multiple Role, Single Player
Long Distance Network
Local Network
d d
c
c
c
b b
b
a a
x
Single Role, Multiple Players
a
b
c
x
x
a
Customer Network
q
q
q
q
q
x
q
q
e
q
e
q
LDN Management
OtherLong Distance Networks
Transit NodeNOTE 2
SP/BrokerClass 3
SP/BrokerClass 3
Other Local NetworksNOTE 1
CommonLDN
and LNMgmt.
Local NodeNOTE 3
SP/BrokerClass 3
AN Management
Other Access NetworksNOTE 1
SP/BrokerClass 2
SP Class 1
CN Management
SP Class 1
Access Network
a
q
q
LN Management
NOTE 1 - This could use, e.g. twisted pair, coaxial cable, wireless and support ATM, FR, IP, etc. NOTE 2 - Transit Switch and/or RouterNOTE 3 - Initial point of attachment (Service Node/Local Switch)
cRPI a Point of connection of a customer to a public networkcRPI b Initial point of connection to a switched network, i.e. to gain access to switched servicescRPI c Point to connect an SN to other SNs or to services of the Transit NetworkcRPI d Point of interconnecting Transit NodescRPI e Point to connect an SP/broker class 2 to a (transport) networkcRPI q Point to connect a network to its management system/TMNcRPI x Point to interconnect Management Systems/TMNs
SP/BrokerClass 2
SP Class 1
(106758)
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KoreaTelecom
• identify the functions and behaviors between the user and network facilities in
terms of middleware services ;
• ensure adequate de-coupling between end user and network technologies;
• define functions and behavior of middleware components;
• identify points at which open interfaces might be defined.
Contact Agent
Locates partyprofiles anddefinescommunicationrequirements
Matches end-pointcapabilities andappliestransformationsacross dissimilarmedia
Coordinatescommunicationsession managementservices and definestransportrequirements
Exchange Agent
Negotiates andsecures transportservices that meetthe needs of thecommunicationsession
Transport Agent
PartyIdentification
SessionManagement
TransportSelection
Information Communication Architecture (Rec.Y.130)
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G.astn
ASTN Architecture ASTN Control Plane
Discovery Signaling Routing CAC Link management
Restoration Transport
G.ndisc G.sdisc
G.dcm Modified existing or G.otnrtg
G.otncac G.otnlm Modified existing or G.otnres
G.959.1/ G.709/G.798/
G.dcn/etc
G.ason
Work plan of Automatic Switched Transport Network
Consent at this May SG 13 Meeting
Consent at this October SG 15 Meeting
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Interworking between Telecom Networks and IP based Network
ATMNW
ATMNW
MPLS Network
LSR
LSRIWF
IWF
• Transport Plane Interworking
• Control Plane Interworking
• Management Plane Interworking
Ref. Rec. Y.1401
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KoreaTelecom5. Vision of WP2/13
• Application of IP technology into Telecom infra and• specify Interworking between IP and Telecom service/network
IP IssuesPacket based infrastructure
• New architecture for full Packet based infrastructure (inc.Voice)• Migration path from Circuit based to Packet based infra (inc. Interworking)• Service and network capabilities for providing Packet based services• New access technology, OAM and Performance study based on full Packet infra